import axios from 'axios'
import website from '@/const/website'
import { serialize } from '@/utils/util'
import { aesDecrypt, aesEncrypt } from '@/utils/util/encryption'
import { getStore } from '@/utils/util/store'
import NProgress from 'nprogress' // progress bar
import errorCode from '@/const/errorCode'
import { ElMessage as Message, ElMessageBox as MessageBox } from 'element-plus'
import 'nprogress/nprogress.css'
import qs from 'qs'
import store from '@/store' // progress bar style

axios.defaults.timeout = 3600000
// 返回其他状态吗
axios.defaults.validateStatus = function(status) {
    return status >= 200 && status <= 500 // 默认的
}
// 跨域请求，允许保存cookie
axios.defaults.withCredentials = true
// NProgress Configuration
NProgress.configure({
    showSpinner: false
})
// HTTPrequest拦截
axios.interceptors.request.use(config => {
    NProgress.start() // start progress bar
    const TENANT_ID = getStore({ name: 'tenantId' })
    const isToken = (config.headers || {}).isToken === false
    const token = store.getters.access_token
    if (token && !isToken) {
        config.headers['Authorization'] = 'Bearer ' + token// token
    }
    if (TENANT_ID) {
        config.headers['TENANT-ID'] = TENANT_ID // 租户ID
    }

    // headers中配置serialize为true开启序列化
    if (config.method === 'post' && config.headers.serialize) {
        config.data = serialize(config.data)
        delete config.data.serialize
    }

    // 请求报文加密
    if (config.headers['Enc-Flag']) {
        config.data = {
            encryption: aesEncrypt(JSON.stringify(config.data), website.encPassword)
        }
    }

    if (config.method === 'get') {
        config.paramsSerializer = function(params) {
            return qs.stringify(params, { arrayFormat: 'repeat' })
        }
    }

    return config
}, error => {
    return Promise.reject(error)
})

// HTTPresponse拦截
axios.interceptors.response.use(res => {
    NProgress.done()
    const status = Number(res.status) || 200
    const message = res.data.msg || errorCode[status] || errorCode['default']

    // 后台定义 424 针对令牌过去的特殊响应码
    if (status === 424) {
        MessageBox.confirm('令牌状态已过期，请点击重新登录', '系统提示', {
            confirmButtonText: '重新登录',
            cancelButtonText: '取消',
            type: 'warning'
        }).then(() => {
            store.dispatch('LogOut').then(() => {
                // 刷新登录页面，避免多次弹框
                window.location.reload()
            })
        }).catch(() => {
        })
        return
    }

    if (status !== 200 || res.data.code === 1) {
        Message({
            message: message,
            type: 'error'
        })
        return Promise.reject(new Error(message))
    }

    // 针对密文返回解密
    if (res.data.encryption) {
        res.data = JSON.parse(aesDecrypt(res.data.encryption, website.encPassword))
        return res
    }

    return res
}, error => {
    // 处理 503 网络异常
    if (error.response.status === 503) {
        Message({
            message: error.response.data.msg,
            type: 'error'
        })
    }
    NProgress.done()
    return Promise.reject(new Error(error))
})

export default axios
